Zipper with a smooth pull function

ABSTRACT

A zipper with a smooth pull function comprises a zipper body, a flexible element and a puller. Wherein the zipper body includes a top plate having a leveling portion formed at one side thereof and a bottom plate having a smooth portion formed at one side thereof. The puller and the flexible element are connected on the top plate of the zipper body. When using the puller to move the zipper body along a plastic-steel zipper chain, the level portion and the smooth portion are contacted to the zipper chain first for providing a level and a smooth function to smoothly pull the zipper along the zipper chain.

FIELD OF THE INVENTION

The present invention relates to a zipper with a smooth pull function,especially to a zipper body being made of a metal or plastic materialused on a plastic-steel zipper chain for pulling the zipper easily andsmoothly.

BACKGROUND OF THE INVENTION

Referring to FIG. 1, a zipper of the prior art at least includes azipper body 10 a and a puller 12 a pivoted on the zipper body 10 a. Soas to use the puller 12 a to pull the zipper body 10 a along a zipperchain 20 a for controlling the zipper chain 20 a in an open state or aclose state.

Moreover, the zipper of the prior art further comprises a flexibleelement 12 a disposed on the zipper body 10 a, and having a hook portion13 a inserting in the zipper body for retaining the puller 11 a on thezipper body 10 a.

However, the zipper of the prior art is used on the jeans. The jeanswill result a plurality of creases thereon, when the jeans was washed.It will lead to a zipper chain of the jeans in a non-level state. Andthe zipper chain 20 a of the prior art is made of a plastic-steel zipperchain, so that the user pulls the zipper along the zipper chain 20 adifficultly, and it will generate more serious question due to above.

With the employment of unique considerations and application oftheories, and based on several years experience in specializedproduction of all flexible assembly systems and mechanisms, so that theinventor has come up with an innovative zipper with a smooth pullerfunction.

SUMMARY OF THE INVENTION

The primary object of the present invention is to provide a zipper witha smooth pull function. The zipper has a level portion for leveling anon-level zipper chain.

Another object of the present invention is to provide a zipper with asmooth pull function. The zipper has a smooth portion smoothly used onthe zipper chain that is made of plastic-steel zipper chain.

In order to achieve the above objects, the present invention provides azipper with a smooth pull function comprising a zipper body and apuller. Wherein the zipper body includes a top plate having a levelingportion formed at one side thereof, a bottom plate having a smoothportion formed at one side thereof and two slide grooves formed betweenthe top plate and the bottom, and the leveling portion defined a concavegroove formed at an inside thereof and the smooth portion defined acorner formed at outside thereof. And the puller is connected with thetop plate of the zipper body.

BRIEF DESCRIPTION OF DRAWING

The various objects and advantages of the present invention will be morereadily understood from the following detailed description when read inconjunction with the appended drawing, in which:

FIG. 1 is a perspective view of a zipper of the prior art invention;

FIG. 2 is a perspective view of according to a first embodiment of thepresent invention;

FIG. 3 is an exploded view of according to a first embodiment of thepresent invention;

FIG. 4 is a side view of according to a first embodiment of the presentinvention;

FIG. 5 is a cross-section view of according to a first embodiment of thepresent invention;

FIG. 6 is a perspective view of when puller is pulled of according to afirst embodiment of the present invention;

FIG. 7 is a perspective view of according to a second embodiment of thepresent invention; and

FIG. 8 is an exploded view of according to a second embodiment of thepresent invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

Referring to FIGS. 2 to 5, the present invention provides a zipper witha smooth pull function, comprising a zipper body 10, a puller 20 and aflexible element 30. Wherein the zipper body 10 includes a top plate 11,a bottom plate 12 disposed on the top plate 11, a connected portion 13integrally disposed between the top plate 11 and the bottom plate 12,two slide grooves 14 formed between the top plate 11 and the bottomplate 12 and two sides of the connected portion 13 for receiving azipper chain 41, two pivot seats 15 each having a pivot hole 16 disposedon a top surface of the top plate 11, two retaining elements 17 disposednear one side of the top plate 11 and a through hole 18 formed earanother side of the top plate 11.

Besides, the puller 20 has a rectangular shape, and including a pivotportion 21 formed at one side thereof and a contacted portion 22projected from the pivot portion 21. Wherein the pivot portion 21 ispivoted in the two pivot holes 16 for pivoting the puller 20 on the topsurface of the zipper body 10.

Moreover, the flexible element 30 is made of a flexible element, andhaving a fixed portion 31 formed at one side thereof and a hook portion32 formed at another side thereof. The flexible element 30 is receivingbetween the two pivot seats 15 of the zipper body 10. Wherein the fixedportion 31 is retained by the two retaining elements 17, and the hookportion 32 is inserted into the through hole 18 of the zipper body 10for retaining the hook portion 32 in the zipper chain 41.

Furthermore, the top plate 11 has a leveling portion 111 formed at oneside thereof and two sides thereof, a bottom plate 12 having a smoothportion 121 formed at one side thereof and two sides thereof. Theleveling portion 111 and the smooth portion 121 respectively has aguiding surface 112 and a guiding surface 122 with an inclined orcurviform surface. The leveling portion 121 has a concave groove 113with a V-shaped formed at a front and an inside thereof. The smoothportion 121 has a corner 123 with an arc shape.

Referring to FIG. 6, the zipper body 10 is assembled with theplastic-steel zipper chain 40 by the two slide grooves. Using the puller20 can control the plastic-steel zipper chain 40 in an open state or aclose state. When the puller 20 will be pulled along the zipper chain41, the flexible element 30 is pulled by the contacted portion 22 of thepuller 20 for separating the hook portion 32 from the zipper chain 41 ofthe plastic-steel zipper chain 40. So the puller 20 is slid on thezipper chain 41 smoothly for controlling the zipper chain 41 in the openstate or the close state. When the puller 20 is released from the user,the hook portion 32 will be broken away from the puller 20. So the hookportion 32 is returned to an original position (the hook portion 32 isretained in the zipper chain 41), then the zipper is in the close state.

Furthermore, when the zipper body 10 is pulled by the puller 20 alongthe zipper chain 41, the concave groove 113 and the corner 123 willavoid to contact the zipper chain 41, and the leveling portion 111 andthe smooth portion will contact the zipper chain 41 first for gettingthe smooth pull function.

Referring to FIGS. 7 to 8, a second embodiment of the present inventionprovides a zipper body 10 including a plate 11 having a leveling portion111′ formed at one side thereof and two sides thereof, a bottom plate 12having a smooth portion 121′ formed at one side thereof and two sidesthereof. The leveling portion 111′ and the smooth portion 121′respectively has a guiding surface 112′ and a guiding surface 122′ withan inclined or curviform surface. The leveling portion 121′ has aconcave groove 113′ with a V-shaped formed at a front and an insidethereof. The smooth portion 121′ has a corner 123′ with an arc shape.

Although the present invention has been described with reference to thepreferred embodiment thereof, it will be understood that the inventionis not limited to the details thereof. Various substitutions andmodification have suggested in the foregoing description, and other willoccur to those of ordinary skill in the art. Therefore, all suchsubstitutions and modifications are intended to be embraced within thescope of the invention as defined in the appended claims.

1. A zipper with a smooth pull function, comprising: a zipper bodyincluding a top plate having a leveling portion formed at one sidethereof, a bottom plate having a smooth portion formed at one sidethereof and two slide grooves formed between the top plate and thebottom, and the leveling portion defined a concave groove formed at aninside thereof and the smooth portion defined a corner formed at outsidethereof; and a puller connected with the top plate of the zipper body.2. The zipper as claimed in claim 1, wherein the top plate of the zipperbody has a pivot seat formed near one side thereof, and the puller has apivot portion formed at a side thereof and connected to the pivot seatof the zipper body.
 3. The zipper as claimed in claim 1, wherein the topplate of the zipper body has a retaining element formed near anotherside thereof, and the zipper further comprising a flexible elementdisposed at a top thereof, and having a fixed portion formed at one sidethereof and a hook portion formed at another side thereof, wherein thefixed portion fixed at the retaining element for positioning theflexible element on the top of the zipper body and receiving the hookportion in an inside of the zipper body to retain the hook portion in azipper chain.
 4. The zipper as claimed in claim 3, wherein the top plateof the zipper body has a through hole formed near one side thereof, andthe hook portion of the flexible element inserting in the inside of thezipper body through the through hole.
 5. The zipper as claimed in claim1, wherein the zipper body further comprises a connected portionintegrally formed between the top plate and the bottom plate.
 6. Thezipper as claimed in claim 1, wherein the leveling portion and thesmooth portion both have a guiding surface with an inclined shape formedat a side thereof.
 7. The zipper as claimed in claim 1, wherein theleveling portion is formed at two sides of the top plate.
 8. The zipperas claimed in claim 1, wherein the concave groove of the levelingportion has a V-shaped.
 9. The zipper as claimed in claim 1, wherein thecorner of the smooth portion has a curve shape.
 10. The zipper asclaimed in claim 1, wherein the smooth portion is formed at two sides ofthe bottom plate.
 11. A zipper with a smooth pull function comprising: azipper body including a top plate having a smooth portion formed at oneside thereof, a bottom plate having a level portion formed at one sidethereof and two slide grooves formed between the top plate and thebottom, and the smooth portion defined a concave groove formed at aninside thereof and the level portion defined a corner formed at outsidethereof; and a puller connected with the top plate of the zipper body.